﻿/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

using System.Collections.Generic;

namespace Aliyun.Acs.Core.Retry.Condition
{
    public class OrRetryCondition : IAlibabaRetryCondition
    {
        private readonly IEnumerable<IAlibabaRetryCondition> retryConditions;

        public OrRetryCondition(IEnumerable<IAlibabaRetryCondition> retryConditions)
        {
            this.retryConditions = retryConditions;
        }

        public RetryCondition ShouldRetry(RetryPolicyContext retryPolicyContext)
        {
            var noRetryFlag = RetryCondition.NoRetry;

            var mask = RetryCondition.ShouldRetry;
            mask |= RetryCondition.ShouldRetryWithClientToken;
            mask |= RetryCondition.ShouldRetryWithThrottlingBackoff;

            foreach (var condition in retryConditions)
            {
                var ret = condition.ShouldRetry(retryPolicyContext);
                retryPolicyContext.Retryable |= ret & mask;
                noRetryFlag &= ret & RetryCondition.NoRetry;
            }

            return retryPolicyContext.Retryable | noRetryFlag;
        }
    }
}
